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  • Question

  • A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is


  • Options
  • A. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. I
  • B. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. I
  • C. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. I
  • D. A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. I

  • Correct Answer
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    • Options
    • A. 1.5
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    • A. rocky stage
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    • 4. Wheels of a rolling stock are provided flanges on

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    • A. outer side
    • B. inner side
    • C. both sides
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    • Options
    • A. 1 m
    • B. 3 m
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    • A. Titanium steel
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    • A. density
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    • Options
    • A. distempered
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    • C. painted and distempered
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    • Options
    • A. one hole
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    • Options
    • A. 29 days
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